Some gadgets are already perfect. They don’t need further technological advancement. They’re pure. If you change one thing about them significantly, you make them worse. You change their nature entirely. When someone finally comes up with a significant improvement to a pure gadget’s tech, it will cease to be: it becomes something else. We’re calling these gadgets “perfectly pure” and here’s ten of them, for the passive absorbption into your cerebral membranes.
See the list -> Boing Boing Gadgets, via: The Presurfer



